Finding the Fourth Proportional to 2,526.52, 3,789.76 and 771.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,526.52 : 3,789.76 = 771.52 : x
2. Step 2: Convert to fraction form
   2,526.52/3,789.76 = 771.52/x
3. Step 3: Cross multiply
   2,526.52x = 3,789.76 × 771.52
4. Step 4: Simplify right side
   2,526.52x = 2,923,875.64
5. Step 5: Solve for x
   x = 2,923,875.64/2,526.52
6. Step 6: Final answer
   x = 1,157.27